<!DOCTYPE html >
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>文件上传</title>
</head>
<body>
    <h2>文件上传示例</h2>
    <form action="/upload" method="post" enctype="multipart/form-data">
        <input type="file" name="file" required/>
        <button type="submit">上传文件</button>
    </form>
</body>
</html>
